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Finding the Fourth Proportional to 834, 1,150.92 and 484.92

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Solution

The fourth proportional to 834, 1,150.92 and 484.92 is: 669.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    834 : 1,150.92 = 484.92 : x
  2. Step 2: Convert to fraction form
    834/1,150.92 = 484.92/x
  3. Step 3: Cross multiply
    834x = 1,150.92 × 484.92
  4. Step 4: Simplify right side
    834x = 558,104.13
  5. Step 5: Solve for x
    x = 558,104.13/834
  6. Step 6: Final answer
    x = 669.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.